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HP Recommended
OfficeJet Pro 6978
macOS 10.13 High Sierra

Just finished setting up new printer OfficeJet Pro 6978 and all seemed fine until I ran my first printing project.

the printer ran out of ink after printing only 39 pages. Is this reasonable? I know the original cartridges are not supposed to be as full as newly purchased ones but this seems just a little too soon even for half full cartridges. Can anyone tell me if this is normal or is this unit going through an excessive amount of ink right out of the box?

Thanks

Peter

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

Here is a chart to help with Ink Cartridge Page Estimation.  All cartridges are based on a 5% coverage when new.

 

cartridge.jpg

 

 

Note:  A 5% coverage is about 6 single spaced lines of text on a page. No bold, graphics or pictures.  A full color photo would be 100% coverage.

 

A ‘regular’ page of text would be about 72 lines and give us 30% coverage (more realistic).  Don’t forget the font type and size you use will use more ink too.

 

Example: 564 Standard Black = 250 pages at 5% coverage.  

 

Let’s say your average page coverage you estimate is 30%.  So…250/6 = 41.

 

Therefore the number of pages expected (30% coverage) out of your cartridge would be about 40 pages.

 

A 564 Standard Color (300 pages) at 100% coverage yields – 300/20 = 15 pages.

******************

 

Your printer uses HP 902 starter cartridges.  Black at 265 pages and color at 310 pages (5% coverage).

 

I would estimate your coverage to be at least 50% or more.  So here is your math.

 

265/10 = 26 pages black.   310/10 =  31 pages color.

 

If we assume 30% coverage your math is 265/6 = 44 pages black, 310/6 = 51 pages color.

 

You are are right on target. 

 

 

View solution in original post

4 REPLIES 4
HP Recommended

And what are you printing?  Text, color, graphics, photo's??? What?  How much ink on the pages?  Need more detail please.

HP Recommended
Some text. Mostly graphics of internal organs for CPR course. No actual photos. Can’t really say how much ink per page. Standard graphics from a PowerPoint presentation.
HP Recommended

Here is a chart to help with Ink Cartridge Page Estimation.  All cartridges are based on a 5% coverage when new.

 

cartridge.jpg

 

 

Note:  A 5% coverage is about 6 single spaced lines of text on a page. No bold, graphics or pictures.  A full color photo would be 100% coverage.

 

A ‘regular’ page of text would be about 72 lines and give us 30% coverage (more realistic).  Don’t forget the font type and size you use will use more ink too.

 

Example: 564 Standard Black = 250 pages at 5% coverage.  

 

Let’s say your average page coverage you estimate is 30%.  So…250/6 = 41.

 

Therefore the number of pages expected (30% coverage) out of your cartridge would be about 40 pages.

 

A 564 Standard Color (300 pages) at 100% coverage yields – 300/20 = 15 pages.

******************

 

Your printer uses HP 902 starter cartridges.  Black at 265 pages and color at 310 pages (5% coverage).

 

I would estimate your coverage to be at least 50% or more.  So here is your math.

 

265/10 = 26 pages black.   310/10 =  31 pages color.

 

If we assume 30% coverage your math is 265/6 = 44 pages black, 310/6 = 51 pages color.

 

You are are right on target. 

 

 

HP Recommended
Thanks much Sabretooth. According to this info you’re exactly right and my printer is right on target. Thanks very much for this insight. Really appreciate your help.
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